Pipe wrench



FIG. 1 is a side elevation view of a pipe wrench showing our new design;

FIG. 2 is an elevational view of the opposite side thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for a pipe wrench, as shown and described. 